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2. Shag Nasty
Someone or something that's so mean that they will fight or act with merciless intent to get want they want or accomplish.
Did see Alan in that fight? Yeah, I don't want to mess with him because he's freaking shag nasty when he gets in a scuffle.
1. shag nasty
Verb used to describe a person who does especially kinky or dirty sexual acts.
Yes, I do believe he is the kind of person that would shag nasty.
3. shag nasty
Shag nasty

A person whose hair hasn't been washed or cut in so long it looks like slimy dreadlocks and their also not very neat in the appearance of their clothes
Dude go do something with your head you look like a shag nasty
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